Air pressure type toy gun

The utility model relates to an air pressure type toy gun which is used for an air cylinder and bullets and comprises a gun body, a switch air valve, a sliding seat assembly and a trigger assembly, the gun body is provided with an air cavity for placing the air cylinder and a gun barrel connected to the air cavity, a muzzle is arranged at one end, far away from the air cavity, of the gun barrel, and the bullets are filled in the gun barrel through the muzzle; the switch air valve is arranged between the air chamber and the gun barrel; the sliding seat assembly is elastically arranged between the gun barrel and the switch air valve; the trigger assembly comprises a pressing block and a trigger connecting rod, the pressing block is pivoted to the sliding base assembly and arranged between the switch air valve and the sliding base assembly, the pressing block can selectively push the switch air valve or the sliding base assembly, and the trigger connecting rod is pivoted to the gun body and can selectively abut